| As one important infrastructure, the railway is count for much of national economy and society development. It is a postulate of productive life of modern society, the foundation of development of modern industry and market economy and the basilica tache of optimizing configuration of society resource. Railage help man to conquer obstacle of distance, realize self and interspace of productive life datum. It is one postulate of productive life. It fits the situation of our country with a vast territory, land expand, large population, the imbalance of resource allocation and industry allocation. There is not any modes of transport that can replace its action.Our country is high recognition the railroading all along. Economic appraisement of the railway construction project is an important part of feasibility study. It is the foundation to determine economic reasonableness and draw up railway net plan and decide the investment of capital construction in the prerequisite of construction project to meet the needs of national economy and society. This thesis discussed the theory and method of economic appraisement and undefined analysis and analyzed the risk element to effect benefit and quantified the influence degree of every factor to appraisement index. In the meantime, we linked with practice to satisfactorily complete the economic appraisement of railway construction project.In reality, the future result of arranged project is in the dark. For the factors (e. g. market demand, the prices etc) of affection for scheme' s economic effects is uncertainty, and the data(e.g. investment cost, output) of reckon project cash flow is lack of enough information and the error of reckon method. So, we can tell the uncertainty is one identity of all project. The only is the uncertainty degree is unlikeness for different project. As the uncertainty factors exist, the project must has... |